<?php
/**
 * crcl/base
 *
 * Copyright 2013 CRCL - André Sabosch - info@crcl.de
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace crcl\base\resource\reader;

/**
 * dealing with account uris
 * scheme://user:password@host
 *
 * getUser         = user
 * getPassword     = password
 */
interface IAccount
{
}

class ContainerAccount extends ContainerUri implements IAccount
{
  public function __construct($sUri)
  {
    parent::__construct($sUri);

    $this->resolveAccount($this->sAuthority);
    $this->fixAuthority();
  }

  public function getUser()
  {
    return $this->sUser;
  }

  public function getPassword()
  {
    return $this->sPassword;
  }

  /** PRIVATE *************************************************************************************/

  private $sUser;
  private $sPassword;

  private function resolveAccount($sAuthority)
  {
    $iPos = \strrpos($sAuthority, '@');
    //every Account URI should contain account infos
    if ($iPos === \FALSE)
    {
      throw new Exception(
        'Account invalid.',
        Exception::ERROR_ACCOUNT_ACCOUNTINVALID,
        array(
          'uri' => $this->sUri,
          'authority' => $this->sAuthority));
    }
    $sAccount = \substr($sAuthority, 0, $iPos);
    $sAccount = \trim($sAccount);

    $iPos = \strpos($sAccount, ':');
    if ($iPos === \FALSE)
    {
      $sUser = $sAccount;
      $sPassword = \NULL;
    }
    else
    {
      $sUser = \substr($sAccount, 0, $iPos);
      $sPassword = \substr($sAccount, $iPos+1);
    }

    $sUser = \crcl\base\String::getInstance($sUser)
      ->doNotStartWith('(')
      ->doNotEndWith(')')
      ->toString();

    $this->sUser = $sUser;
    $this->sPassword = $sPassword;
  }

  protected function fixAuthority()
  {
    $iPos = \strrpos($this->sAuthority, '@');
    if ($iPos !== \FALSE)
    {
      $this->sAuthority = \substr($this->sAuthority, $iPos+1);
    }
  }
}